| * SPICE3 file created from opamp2.ext - technology: sky130A |
| |
| .lib "sky130_fd_pr/models/sky130.lib.spice" tt |
| |
| X0 a_n24_1551# vinm vo w_n738_599# sky130_fd_pr__pfet_01v8 w=25.12 l=.52 |
| X1 a_n24_1551# vinp vg w_n738_599# sky130_fd_pr__pfet_01v8 w=25.12 l=.52 |
| X2 top vout sky130_fd_pr__cap_mim_m3_1 l=9.97 w=9.97 |
| X3 vdd vbias vout vdd sky130_fd_pr__pfet_01v8 w=10.16 l=.50 |
| X4 vg vg gnd gnd sky130_fd_pr__nfet_01v8 w=9.99 l=.56 |
| X5 vout vo gnd gnd sky130_fd_pr__nfet_01v8 w=25.20 l=.53 |
| X6 vo top gnd sky130_fd_pr__res_generic_nd w=2.0 l=.51 |
| X7 vdd vbias a_n24_1551# vdd sky130_fd_pr__pfet_01v8 w=10.04 l=.48 |
| X8 vo vg gnd gnd sky130_fd_pr__nfet_01v8 w=9.99 l=.56 |
| C0 top vout 3.49fF |
| C1 top gnd 6.14fF |
| C2 vout gnd 21.51fF |
| C3 vo gnd 11.59fF |
| C4 vg gnd 5.66fF |
| C5 vinm gnd 2.16fF |
| C6 vinp gnd 2.11fF |
| C7 a_n24_1551# gnd 5.06fF |
| C8 vbias gnd 10.03fF |
| C9 w_n738_599# gnd 91.23fF |
| C10 vdd gnd 207.16fF |
| |
| ******* DC supply info****** |
| VDD vdd GND 5 |
| VBIAS vbias 0 3.9 |
| |
| *******Transient analysis AC Source******** |
| VINP vinp 0 SIN(3.9 1m 10k 0 0 0) |
| VINM vinm 0 SIN(3.9 1m 10k 0 0 180) |
| |
| *******AC analysis AC Source****** |
| *VINP vinp 0 dc 3.9 ac 1 |
| *VINM vinm 0 dc 3.9 ac -1 |
| |
| *******Tran command******* |
| .tran 0.1us 1000us |
| ********Transient Plot ****** |
| .control |
| run |
| plot V(vinp) V(vinm) |
| plot V(vout) |
| plot V(vo) |
| plot V(vdd) V(vbias) |
| |
| ******AC Command***** |
| *ac dec 100 1 1000meg |
| *Magnitude dB plot for v(vout) on log scale |
| *plot vdb(vout) xlog |
| |
| *Phase degrees plot for v(vout) on log scale |
| *let outd = 57.29*vp(vout) |
| *settype phase outd |
| *plot outd xlimit 1 1000meg ylabel 'phase' |
| *let pm = outd + 180 |
| *settype phase pm |
| *plot pm xlimit 1 1000meg ylabel 'Phase Margin' |
| |
| .endc |
| .end |
